I’ve spent some of my happiest moments in movie theaters, from the old Guild Theater in Rockefeller Center, in my hometown of New York City, to Grauman’s Chinese Theater, in L.A. Along with a few of my film-crazed friends, I’ve come up with a few hundred questions sure to challenge and amuse my fellow film buffs.

“Vanity Fair Trivia: Movie Madness” has 25 levels—25!—and the questions are sophisticated and fun. It may be a free app, but it’s not the usual cheap junk.If you give it a try, you will be seeing me again, popping up on the screen to cheer you to greater heights whenever you give a correct answer and trying to buck you up if you happen to guess wrong. A quick mind, limber thumbs, and a good working knowledge of Hollywood lore are all you need. Well, that and a functioning iPhone, iPad, or iPod touch.